To cite package ‘fractD’ in publications use:

Mancuso F (2021). fractD: Estimation of Fractal Dimension of a Black Area in 2D and 3D (Slices) Images. R package version 0.1.0, https://CRAN.R-project.org/package=fractD.

Corresponding BibTeX entry:

  @Manual{,
    title = {fractD: Estimation of Fractal Dimension of a Black Area in
      2D and 3D (Slices) Images},
    author = {Francesco Paolo Mancuso},
    year = {2021},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=fractD},
  }